Question

uses of chemical changes? ​

Answer 1

Chemical reactions are used to produce most of our energy. Chemical reactions are used extensively to test, identify and analyse a wide range of materials (for example, pool testing kits and forensic tests from television shows such as 'CSI').

Answer 2

Answer

⚛ The uses of Chemical changes are ⚛

• Burning of Coal, Petrol and gas is a chemical change . A lot of heat is given out in such a change. This heat is used to produce electricity tour on engines and also to cook food.

• Many chemical changes take place when a metal extracted from its Ore .For example aluminium and iron are extracted from their worlds by a series of chemical change .

• Chemical changes are also used in purification of metals .

• Many useful things that we use in our daily life like soaps ,detergents, polythene bags etc as produced due to chemical reaction .

• Medicines are also a result of many chemical reaction .

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